Toddler who cannot swallow solid foods who is status post esophageal atresia repair a year ago

AP image from an upper GI shows ~ 75% luminal narrowing at the esophageal anastomosis between the dilated proximal esophageal pouch and the distal esophagus. This narrowing was subsequently successfully treated with dilation.

The diagnosis was a stricture at the esophageal anastomosis after repair of esophageal atresia.